# Just how bad would it be for this 1.2 mile long drumstick to strike Earth?

**URL:** <https://boards.straightdope.com/t/just-how-bad-would-it-be-for-this-1-2-mile-long-drumstick-to-strike-earth/559578>\
**Category:** Factual Questions\
**Created:** [November 5, 2010, 3:06pm UTC](https://boards.straightdope.com/t/just-how-bad-would-it-be-for-this-1-2-mile-long-drumstick-to-strike-earth/559578 "2010-11-05T15:06:26Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![Ike\_Witt](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/ike_witt/32/283_2.png) [@Ike\_Witt](https://boards.straightdope.com/u/Ike_Witt)\
**Post date:** [November 5, 2010, 10:42pm UTC](https://boards.straightdope.com/t/just-how-bad-would-it-be-for-this-1-2-mile-long-drumstick-to-strike-earth/559578/21 "2010-11-05T22:42:28Z")

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> [@Darwins\_Finch](#):
>
> 1,000 miles from the impact site, there is some seismic activity and a fine dusting of ejecta, but no significant thermal effects, and relatively minor blast wave effects (e.g., the sound intensity would be as “loud as heavy traffic”, according to the site). So definitely a bad day for anyone at ground zero, but not a planet killer by any means.

One thing not addressed is the long term effects. That much ejecta is going to block out the Sun to some degree. The question is, how much average temperature lowered? I would guess that food production will be knocked out over a large area, but again, how much less sunlight will be hitting the planet? Is the resulting famine going to last an extended period?

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